| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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| 07/20/2004 | US6765540 Tunable antenna matching circuit |
| 07/20/2004 | US6765458 LC high-pass filter circuit device, laminated LC high-pass filter device, multiplexer, and radio communication apparatus |
| 07/20/2004 | US6765456 Surface acoustic wave duplexer and portable communication device using the same |
| 07/15/2004 | WO2003084295A3 Inductor and decoupling structures for filters and design method thereof |
| 07/15/2004 | US20040137972 Composite electronic component |
| 07/15/2004 | US20040135652 Noise filter |
| 07/15/2004 | US20040135651 Filter arragement |
| 07/15/2004 | US20040135647 Multi-layer balun transformer |
| 07/15/2004 | US20040135600 High frequency switch module |
| 07/14/2004 | EP1436893A2 Electronic device and method of testing and of manufacturing |
| 07/14/2004 | EP1192713B1 Energy transfer in an electronic identification system |
| 07/13/2004 | US6762925 Ceramic electronic component and method for making the same |
| 07/13/2004 | US6762656 LC noise filter |
| 07/13/2004 | US6762655 Circuit arrangement |
| 07/13/2004 | US6762654 Delay line |
| 07/08/2004 | US20040130667 Matching unit |
| 07/08/2004 | US20040130427 Mode-switching transformer |
| 07/08/2004 | US20040130414 System and method for an electronically tunable frequency filter having constant bandwidth and temperature compensation for center frequency, bandwidth and insertion loss |
| 07/08/2004 | US20040130413 Power supply system and method using analog coupling circuitry for power-line communications |
| 07/08/2004 | US20040130410 Filter using film bulk acoustic resonator and transmission/reception switch |
| 07/08/2004 | US20040130408 Reference impedance apparatus, systems, and methods |
| 07/08/2004 | DE10257465A1 Controllable two-phase network for creating first/second output signals at first/second loads has approximately identical loaded impedance from an input signal with an approximately identical source |
| 07/07/2004 | CN1511261A Low-loss tunable ferro-electric device and method of characterization |
| 07/07/2004 | CN1156963C Stepped adjustable notch filter |
| 07/07/2004 | CN1156962C General filter |
| 07/06/2004 | US6760572 Method and apparatus for combining two AC waveforms |
| 07/06/2004 | US6760372 Adaptive signal processor using an eye-diagram metric |
| 07/06/2004 | US6760371 Method and apparatus implementation of a zero forcing equalizer |
| 07/06/2004 | US6760215 Capacitor with high voltage breakdown threshold |
| 07/06/2004 | US6759926 LC filter circuit, monolithic LC composite component, multiplexer, and radio communication device |
| 07/06/2004 | US6759920 Multi-layer balun transformer |
| 07/06/2004 | US6759916 High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same |
| 07/01/2004 | US20040127178 Tunable duplexer |
| 07/01/2004 | US20040124949 Component carrier |
| 07/01/2004 | US20040124948 Continuously variable filter |
| 06/30/2004 | EP1433253A1 Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance |
| 06/30/2004 | EP1302000B1 Frequency multiplexer |
| 06/30/2004 | CN1508983A Inter face for realizing automatic impedance matching and method thereof |
| 06/30/2004 | CN1508903A Duplexer and communication apparatus |
| 06/29/2004 | US6757625 Method, apparatus, and article of manufacture for predicting electrical behavior of a multiport device having balanced device ports |
| 06/29/2004 | US6757327 Serial data communication receiver having adaptive termination resistors |
| 06/29/2004 | US6756947 Tunable slot antenna |
| 06/29/2004 | US6756874 Series transmission line transformer |
| 06/29/2004 | US6756864 Branching filter and communication apparatus |
| 06/29/2004 | US6756860 Dual band coupler |
| 06/29/2004 | US6756774 Constant voltage source, a constant voltage source circuit board and a method for applying a constant voltage |
| 06/29/2004 | CA2273091C Dual-band antenna coupler for a portable radiotelephone |
| 06/24/2004 | WO2004054101A1 Decision feed forward equalizer system and method |
| 06/24/2004 | WO2004054088A2 Driving of an array of micro-electro-mechanical-system (mems) elements |
| 06/24/2004 | WO2003058809A8 Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers |
| 06/24/2004 | US20040121745 Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance |
| 06/24/2004 | US20040120419 I/O channel equalization based on low-frequency loss insertion |
| 06/24/2004 | US20040119562 Duplexer and communication apparatus |
| 06/24/2004 | US20040119560 High frequency composite switch module |
| 06/24/2004 | US20040119558 Attenuator |
| 06/24/2004 | US20040119556 Designing methods and circuits for impedance matching |
| 06/24/2004 | US20040119555 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation |
| 06/24/2004 | CA2505435A1 Decision feed forward equalizer system and method |
| 06/23/2004 | EP1432136A2 Noise filter |
| 06/23/2004 | EP1432133A1 Duplexer and communication apparatus |
| 06/23/2004 | CN1507151A Variable impedance network for integrated circuit |
| 06/23/2004 | CN1507105A Triplex wave.wave synthesizer |
| 06/23/2004 | CN1155238C Frequency compensated pin diode attenuator |
| 06/22/2004 | US6754480 Baseband analog circuit with improved noise characteristics |
| 06/22/2004 | US6754098 Semiconductor memory device |
| 06/17/2004 | US20040116098 Multiplexer |
| 06/17/2004 | US20040116096 Radio frequency receiver architecture with tracking image-reject polyphase filtering |
| 06/17/2004 | US20040113721 MLC frequency selective circuit structures |
| 06/17/2004 | US20040113718 Insertion box |
| 06/17/2004 | US20040113705 Integrated self-tuning L-C filter |
| 06/17/2004 | US20040111881 Method of manufacturing an on-chip transformer balun |
| 06/17/2004 | US20040111880 Multilayer electronic part and method of producing the same |
| 06/16/2004 | EP1429458A2 Balun transformer with frequency selection |
| 06/16/2004 | EP1428289A1 Tunable filters having variable bandwidth and variable delay |
| 06/16/2004 | EP0829107B1 Antenna coupler for a portable radiotelephone |
| 06/16/2004 | CN1505271A Transceiving filter and communication device |
| 06/16/2004 | CN1154349C Selective RF circuit with varactor tuned bandpass switched bandpass filters |
| 06/16/2004 | CN1154247C High frequency module, and mobile communication device using same |
| 06/16/2004 | CN1154229C Balanced converter |
| 06/15/2004 | US6750752 High power wideband balun and power combiner/divider incorporating such a balun |
| 06/15/2004 | US6750734 Methods and apparatus for tuning an LC filter |
| 06/15/2004 | US6750733 Coupled resonator filter tuning having inter-resonator interaction compensation |
| 06/10/2004 | WO2004049565A1 Decoupling module for decoupling high-frequency signals from a voltage supply line |
| 06/10/2004 | US20040110421 Impedance qualization module |
| 06/10/2004 | US20040108927 On-chip multiple tap transformer and inductor |
| 06/09/2004 | EP1427103A2 CMOS differential voltage controlled logarithmic attenuator and method |
| 06/09/2004 | EP1427051A1 High-frequency module substrate device |
| 06/09/2004 | DE10255475A1 Entkopplungsmodul zum Auskoppeln hochfrequenter Signale aus einer mit einer Induktivität behafteten Spannungsversorgungsleitung Decoupling module for extracting high-frequency signals from an afflicted with an inductance voltage supply line |
| 06/09/2004 | CN1503401A Matching unit |
| 06/09/2004 | CN1153422C Filter co-processor, equalizer having same and method for decoding quadrature modulation signal |
| 06/08/2004 | US6748312 Safe distance algorithm for adaptive cruise control |
| 06/08/2004 | US6748207 Power distributing and synthesizing device and mobile communication equipment using same |
| 06/08/2004 | US6747531 Circuit and method for input side impedance matching of a power amplifier in an electronic device |
| 06/08/2004 | US6747526 90° power divider |
| 06/08/2004 | US6747499 Tunable quadrature phase shifter using an all-pass circuit |
| 06/03/2004 | WO2004047290A1 Duplexer and method of isolating an rx-band and a tx-band |
| 06/03/2004 | WO2004046652A2 Device and method for detecting anomolies in a wire and related sensing methods |
| 06/03/2004 | US20040105490 Transceiving filter and communication device |
| 06/03/2004 | US20040104788 Electronic filter assembly |
| 06/03/2004 | US20040104787 CATV Filter assembly with improved electrical grounding |